CR318 is -sensitive smart card reader with a smart card slot and a SIM card holder. It can be used alone, but not at the same time. It supports type A, type B, and type C (5V, 3V, and 1.8V) smart cards that comply with the 7816 standard. It communicates with the PC environment through a USB interface compatible with different operating systems. USB2.0 standard; Support hot swap; High-quality sockets can support at least 100,000 card insertions. Type: CR318 Main control chip: AU9580 Supported memory cards: smart card, SIM, ID, card Interface type: USB2.0 requirements: (32/64 bit) XP/vista/7/8/10, for OS size:58x22x13MM Material:ABS colour:Black Package Contents: 1 x Smart Card Reader Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.